441441

Appears in sequences

• Triangle read by rows: T(n,k) = number of partitions of [1..k] into n nonempty clumps of sizes 1, 2, 3, 4, 5 or 6 (n >= 0, 0 <= k <= 6n).at n=34A151359
• a(n) = concatenation of n^2 with itself.at n=20A253445
• Non-palindromic numbers n such that the square root of n multiplied by the reversal of n is a palindrome.at n=21A258382